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Installing PHP APC On RHEL/CentOS

  1. Yum up some packages:
    ```

    yum install php-pear php-devel httpd-devel

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  2. Install APC using pear (the pear installer is smarter than the pecl installer):
  
    When the installer asks about APXS, say ‘no’. </p> <div class="wp_syntax">
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            ```
pear install pecl/apc

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    1. Tell PHP to load APC:
      ```

      echo extension=apc.so > /etc/php.d/apc.ini

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  4. Restart Apache: <div class="wp_syntax">
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            ```
/sbin/service httpd graceful

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      I’ve been working on MySQL optimization for a while, and though there’s still more to done on that front, I’ve gotten to the point where the the cumulative query times make up less than half of the page generation time. So I’m optimizing code when the solution is obvious (and I hope to rope Zach […] » about 500 words